What is the air quality trend in Penn Hills?

Over the past 8 days, Penn Hills had an average AQI of 51 based on station measurements. The worst day was 2026-07-16 with AQI 72.

How is Penn Hills air quality measured?

Air quality in Penn Hills is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Penn Hills, United States

Name: Penn Hills Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Penn Hills, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

156h

PM2.5 Station

156h · 7 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	29	29–29	7.0 µg/m³	1h	7
2026-07-21	38	3–91	9.8 µg/m³	22h	5
2026-07-20	36	20–81	9.0 µg/m³	23h	4
2026-07-19	39	8–70	10.0 µg/m³	23h	3
2026-07-18	72	20–304	29.2 µg/m³	22h	4
2026-07-17	72	18–158	23.8 µg/m³	24h	4
2026-07-16	72	7–171	24.4 µg/m³	21h	3
2026-07-15	57	21–104	16.3 µg/m³	20h	3

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